SECTION - Aa) 2QUE1. Select and Write the Answer1)Js limiting value of average from alternative.a) mean velocity b) instantaneous velocity c) greater velocity d) smaller velocity2) Fundamental quantities are related withquantitiesb) 6 c) 7 d) 93) The vector-6i+9j+3k and 21-3]-k area) parallel b) perpendicular c) inclined at 60° d) inclined at 30°4) Path traced by projectile in space isa) distance b) displacement c) trajectory d) none5) Decibel is unit ofa) wavelengthb) amplitude c) velocity d) loudness6) If medium of light changes thenremains unchanged.a) wavelengthb) velocity c) frequency d) phase7) Absolute refractive index of any medium isa) greater than zerob) greater than one c) zerod) unity8) Unit of electric potential isa) Ohmb) ampere c) coulomb d) volt9) For gaseous medium velocity of sound with changes ina) pressure b) temperature c) density d) none10) (21 +3j+k) (21+3j-k) =a) 0 = 0b) 0 = 30 c) 0 = 60 d) 0 = 900.2) Answer the following1) Write the dimension of rad/sec?2). Is transferred by the wave not the matter3) Define wavelength4) Cross product is not commutative, true or false.ROTI​